Abstract: Disclosed is a digital measurement apparatus including a holding unit on which a measurement object to be measured is placed; and a measurement unit for measuring the measurement object by comparing an image of the measurement object placed on the holding unit with a preset reference value, and providing a reference for adjusting the length of a new measurement object based on a measured value of the measurement object. With this configuration, regardless of photographing conditions, by performing calibration using a set reference value, the accuracy of a measured value may be improved.

Abstract: A method of monitoring an anesthesia and consciousness depth through brain network analysis by a computing device according to the present disclosure includes: acquiring a user's brain signals extracted during anesthesia; performing pre-treatment to the acquired brain signals to be suitable for brain network analysis; calculating a functional connectivity value between two channels for each frequency based on the pre-treated brain signals and performing brain network analysis; determining an anesthesia and consciousness depth of the user based on features of the analyzed brain network; and providing the determined anesthesia and consciousness depth of the user through a user interface.

Abstract: Disclosed is a microneedle for dental material delivery, the microneedle including a needle body portion; an active ingredient coating portion configured to coat the surface of the needle body portion, and including an active ingredient transferred to the skin tissue within a mouth; and a base portion configured to couple with the needle body portion, and to bend along a skin shape within the mouth, wherein the base portion includes at least one of polyethylene (PE), polypropylene (PP), polytetrafluoroethylene (PTFE), polymethylmethacrylate (PMMA), ethylene vinyl acetate (EVA), polycaprolactone (PCL), polyurethane (PU), polyethylene terephthalate (PET), polyethylene glycol (PEG), polyvinyl alcohol (PVA), poly lactide (PLA), poly lactic-co-glycolic acid (PLGA), and polyglycolide (PGA).

Abstract: The present disclosure provides a method of generating a control signal to control a motion of a robot arm device by a brain-computer interface (BCI) apparatus and the BCI apparatus.

Abstract: The present specification relates to a carbazole derivative, a coating composition comprising the carbazole derivative, an organic light emitting device using the same, and a method for manufacturing the same.

Abstract: This invention is related to a dental retractor including a body part having a handle portion, a neck portion extending from the handle portion, and a mirror part having a micro mirror, which is detachably attached to an end of the neck portion, such that the projection can be inserted in to a hole formed at a surgical site to observe an inside the hole. According to the present invention, since the dental retractor has the mirror part for observing the interior of the oral cavity, the number of operations, the number of persons required for the operation and the working time are reduced and it is not necessary to separately use a dental mirror. In addition, since the dental retractor has a mirror such as a micro mirror at the head portion, a doctor or other practitioner/technician can use the other hand to perform a medical examination.

Abstract: An image processing device includes a multimedia intellectual property (IP) block which processes image data including a first component and a second component; a memory; and a frame buffer compressor (FBC) which compresses the image data to generate compressed data and stores the compressed data in the memory. The frame buffer compressor includes a logic circuit which controls a compression sequence of the first component and the second component of the image data.

Abstract: A semiconductor device includes a processor configured to perform a rendering operation of an image frame to acquire rendering data, and write the acquired rendering data on a memory device, and a display controller configured to perform a read operation of the memory device on which the rendering data is written, to acquire image data. The semiconductor device further includes a micro-sequencing circuit configured to transmit a start signal to the display controller, based on a degree of execution of the rendering operation. The display controller is further configured to, based on the transmitted start signal, start the read operation.

Abstract: A variable bidirectional electrostatic filter system with an adjustable distance between a charging part and a dust collecting part is provided herein and includes a high voltage applying means configured to supply a high voltage; a filter housing; a dust collecting part; a forward charging part; a reverse charging part; a forward movement rail installed in the filter housing and configured to adjust a distance from an amplification section while forming the amplification section between the forward charging part and the dust collecting part; a reverse movement rail installed in the filter housing; and a control unit providing an amplification section, in which the charged capturing targets are agglomerated, between the charging part and the dust collecting part and by adjusting the distance from the amplification section prevents unnecessary waste of energy and maintain dust collecting efficiency.

Abstract: An image processing device includes a multimedia intellectual property (IP) block which processes image data including a first component and a second component; a memory; and a frame buffer compressor (FBC) which compresses the image data to generate compressed data and stores the compressed data in the memory. The frame buffer compressor includes a logic circuit which controls a compression sequence of the first component and the second component of the image data.

Abstract: An exemplary embodiment of the present disclosure provides a method of recognizing, by a controller, an intention of a user who wears a head mounted display to which electroencephalogram electrodes are attached.

Abstract: The present disclosure relates to a method of manufacturing a needle for root canal treatment devices having improved ductility. The method of the present disclosure includes a step of manufacturing a hollow needle body in a desired shape using an alloy or a single metal, a step of filling the hollow of the needle body with a packing member, a step of heat-treating the needle body at a predetermined temperature under an inert gas atmosphere after the needle body is placed in a vacuum chamber, and a step of cooling and hardening the needle body.

Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.

Abstract: The present specification relates to a compound represented by Chemical Formula 1, a coating composition comprising the compound represented by Chemical Formula 1, an organic light emitting device using the same, and a method for manufacturing the same.

Abstract: The present invention relates to a wind power collection and electricity generation system that includes: wind power generation units including a plurality of central wind power units vertically installed along a center line of a roadway, on which vehicles run in two opposite lanes, and a plurality of first ceiling wind power units extending horizontally to at least a first side from upper ends of the central wind power units; and a speed increaser connected to a rotary shaft of any one of the wind power generation units to increase a rotational speed of the wind power generation unit, in which the central wind power units and the first ceiling wind power units are connected by a predetermined connection unit and generate electricity using torque of blades that are rotated perpendicular to a flow direction of wind generated by vehicles.

Abstract: A dental treatment instrument includes a bridge unit, and a first tip and a second tip unit each configured to be replaceable with respect to the bridge unit, where the bridge unit includes a first lengthwise groove formed in a lengthwise direction at one end of the bridge unit, a first circumferential groove extending from the first lengthwise groove in a first circumferential direction, a second lengthwise groove formed in the lengthwise direction at the other end of the bridge unit, and a second circumferential groove extending from the second lengthwise groove in a second circumferential direction different from the first circumferential direction, and the first tip unit includes a first coupling protrusion extending in a direction vertical to the lengthwise direction of the bridge unit, and the second tip unit includes a second coupling protrusion extending in a direction vertical to the lengthwise direction of the bridge unit.

Abstract: The present invention relates to a brain-computer interface system and a method for recognizing a conversation intention of a user using the same in addition to inferring the waveform of word sound intended by a user from an imagined speech brainwave associated with a word intended by a user, since the user can intuitively recognize the sentence he/she wants to speak through the imagined speech by classifying words that are most relevant to the imagined speech brainwave of the user in a database in which a word often used by the user or frequently used in a specific situation is stored and by generating a sentence intended by the user by recognizing the words classified in this way, it is possible to perform communication by only thoughts of the user.

Abstract: Disclosed is a vibration apparatus for dental care including a body in which a vibrator is embedded; a tip part connected to the body to extend to an outside of the body and configured to transmit vibration energy of the vibrator to a resin applied to a tooth; and a controller configured to control a magnitude of vibration energy generated from the vibrator and transmitted to the tip part, wherein the controller controls a vibration frequency of the tip part within a range of 3 to 70 Hz. According to such configuration, the viscosity of resin attached to a tooth is lowered so that the resin can be easily formed into a desired shape and the tooth can be treated without generation of voids in the resin.

Abstract: A semi-dry electrode for recording an electroencephalogram, includes an outer membrane that forms an electrode contact surface with a predetermined area contacting a scalp; an electrode body that is connected to an edge of the outer membrane and forms an internal space into which an electrolyte solution is filled; and an electrical conductor sensor that is located inside the electrode body and measures an ion current transmitted through the outer membrane. The outer membrane has a plurality of fine holes and holes that are larger than the fine holes.

Abstract: Provided is a method for providing a bidirectional communication service for different breeds of animals, comprising the steps of: receiving, from a user terminal, a registration event for registering a communication terminal for different breeds of animals that is wirelessly linked to the user terminal and is mounted to a communication object, and storing the same; when sound data is collected from the communication terminal for different breeds of animals, analyzing the sound data on the basis of a pre-stored animal sound translation algorithm; transmitting, to the user terminal, an animal content comprising at least one of text, a voice, an image, and a moving image mapped to the analysis result, or at least one combination thereof; when a human being content comprising at least one of a voice, an image, and a moving image is collected from the user terminal, outputting the collected human being content to a content input/output apparatus linked to the user terminal and the communication terminal for diffe